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Built 2026-10-19 (19 October 2026)

Extreme rain in United States, 31 January to 9 February 2021

Extreme rain in United States, 31 January to 9 February 2021: 188 records at 167 stations, peak on 5 February 2021. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Extreme rain in United States, 31 January to 9 February 2021 set or tied 188 station records at 167 stations.
  • It ran from 31 January 2021 to 9 February 2021 (10 days) and its peak day was 5 February 2021.
  • Status: closed.
  • Clearbrook set a daily record precipitation of 51.3 mm (2.0 in) on 1 February 2021.
  • The busiest day was 5 February 2021 with 70 records.
  • The oldest broken record in the ranked list had stood for 112 years.

Footprint

31 January to 9 February 2021
Footprint of Extreme rain in United States, 31 January to 9 February 2021 The area covered by Extreme rain in United States, 31 January to 9 February 2021 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in United States, 31 January to 9 February 2021 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Extreme rain in United States, 31 January to 9 February 2021: stations that set records in the event
StationTypeValueDate
ClearbrookRecord daily precipitation51.3 mm (2.0 in)2021-02-01
Sedro-WoolleyRecord daily precipitation49.0 mm (1.9 in)2021-02-01
Lubrecht FlumeRecord daily precipitation25.4 mm (1.0 in)2021-02-06
Silver Creek FallsRecord daily precipitation89.7 mm (3.5 in)2021-02-02
Barker LakesRecord daily precipitation30.5 mm (1.2 in)2021-02-07
Millegan 14 SERecord daily precipitation25.4 mm (1.0 in)2021-02-04
RepublicRecord daily precipitation20.3 mm (0.8 in)2021-02-01
TridentRecord daily precipitation8.6 mm (0.34 in)2021-02-03
Big TimberRecord daily precipitation13.0 mm (0.5 in)2021-02-06
Billings WtpRecord daily precipitation12.7 mm (0.5 in)2021-02-06
ColumbusRecord daily precipitation14.0 mm (0.6 in)2021-02-06
Galata 16 SWRecord daily precipitation13.7 mm (0.5 in)2021-02-06
Yellowtail DamRecord daily precipitation21.3 mm (0.8 in)2021-02-06
Burgess JunctionRecord daily precipitation22.9 mm (0.9 in)2021-02-06
Billings Intl APRecord daily precipitation9.4 mm (0.37 in)2021-02-06
Norris Madison Pwr HouseRecord daily precipitation15.2 mm (0.6 in)2021-02-07
FairfieldRecord daily precipitation10.7 mm (0.4 in)2021-02-08
StevensvilleRecord daily precipitation21.8 mm (0.9 in)2021-02-08
Deer Lodge 3 WRecord daily precipitation20.3 mm (0.8 in)2021-02-09

Records per Day

Peak day 70
Records per day during Extreme rain in United States, 31 January to 9 February 2021 Records set or tied each day from 31 January 2021 to 9 February 2021. The most in one day was 70 on 5 February 2021. 0 20 40 60 80 01-3102-0102-0202-0302-0402-0502-0602-0702-0802-09
Records set or tied each day from 31 January 2021 to 9 February 2021. The most in one day was 70 on 5 February 2021.
Records per day during Extreme rain in United States, 31 January to 9 February 2021
DateRecords
2021-01-313
2021-02-0110
2021-02-0212
2021-02-0313
2021-02-048
2021-02-0570
2021-02-0648
2021-02-0716
2021-02-087
2021-02-091

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in United States, 31 January to 9 February 2021 ranked by margin
Silver Creek Falls, 02-0250.3 mm (2.0 in)
Clearbrook, 02-0118.3 mm (0.7 in)
Yellowtail Dam, 02-0616.2 mm (0.6 in)
Barker Lakes, 02-0715.3 mm (0.6 in)
Sedro-Woolley, 02-0115.0 mm (0.6 in)
Burgess Junction, 02-0614.3 mm (0.6 in)
Deer Lodge 3 W, 02-0913.7 mm (0.5 in)
Columbus, 02-0611.7 mm (0.5 in)
Stevensville, 02-0810.9 mm (0.4 in)
Norris Madison Pwr House, 02-078.6 mm (0.34 in)
Millegan 14 SE, 02-047.9 mm (0.31 in)
Fairfield, 02-087.9 mm (0.31 in)
Lubrecht Flume, 02-067.6 mm (0.30 in)
Galata 16 SW, 02-066.8 mm (0.27 in)
Billings Wtp, 02-066.6 mm (0.26 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Extreme rain in United States, 31 January to 9 February 2021 188 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 30 60 90 120 015304560 Margin (mm) Years the old record stood
188 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Extreme rain in United States, 31 January to 9 February 2021
Margin (mm)Years the old record stood
1263
788
1894
1635
1591
962
6112
588
646
1125
1410
834
147
5031
1522
83
562
462
735
88
151
831
197
841
1521
151
93
71
3434
538
2310
446
341
818
825
520
53
542
31
269
1039
155
72
410
162
721
44
43
160
243
817
258
259
433
062
538
187
525
152
248
160
64
435
420
839
1039
1342
333
161
063
052
21
1025
1315
2510
718
832
133
825
235
158
150
1810
1025
520
922
1526
936
247
154
941
535
84
532
532
1511
422
1830
320
821
035
243
253
335
541
520
520
922
133
13
1015
336
102
101
525
210
325
122
510
51
83
335
1515
24
525
336
52
822
825
63
325
325
51
325
320
525
23
032
319
53
82
520
120
325
325
322
325
61
210
54
320
52
322
322
26
23
114
82
325
315
52
322
321
325
221
13
34
322
51
14
22
13
34
34
34
33
43
022
37
53
17
313
113
12
32
32
32
31

Compared With Other Events

Station records per event
Station records in Extreme rain in United States, 31 January to 9 February 2021 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 20192,223 records
Extreme rain in United States, 3 to 19 January 20242,133 records
Extreme rain in Australia, 7 to 26 March 20212,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 20181,970 records
Extreme rain in United States, 19 December 2022 to 13 January 20231,941 records
Extreme rain in United States, 31 January to 9 February 2021 (this event)188 records

Every Record Set

20 of 188
Every record set or tied during Extreme rain in United States, 31 January to 9 February 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-02-01ClearbrookRecord daily precipitation51.3 mm (2.0 in)18.3 mm (0.7 in)9458 of 100 (Notable)
2021-02-01Sedro-WoolleyRecord daily precipitation49.0 mm (1.9 in)15.0 mm (0.6 in)9155 of 100 (Notable)
2021-02-01RepublicRecord daily precipitation20.3 mm (0.8 in)5.6 mm (0.22 in)11220 of 100 (Routine)
2021-02-02Silver Creek FallsRecord daily precipitation89.7 mm (3.5 in)50.3 mm (2.0 in)3148 of 100 (Notable)
2021-02-03TridentRecord daily precipitation8.6 mm (0.34 in)6.1 mm (0.24 in)4620 of 100 (Routine)
2021-02-04Millegan 14 SERecord daily precipitation25.4 mm (1.0 in)7.9 mm (0.31 in)842 of 100 (Notable)
2021-02-06Lubrecht FlumeRecord daily precipitation25.4 mm (1.0 in)7.6 mm (0.30 in)3449 of 100 (Notable)
2021-02-06Big TimberRecord daily precipitation13.0 mm (0.5 in)5.4 mm (0.21 in)8820 of 100 (Routine)
2021-02-06Billings WtpRecord daily precipitation12.7 mm (0.5 in)6.6 mm (0.26 in)8820 of 100 (Routine)
2021-02-06ColumbusRecord daily precipitation14.0 mm (0.6 in)11.7 mm (0.5 in)6320 of 100 (Routine)
2021-02-06Galata 16 SWRecord daily precipitation13.7 mm (0.5 in)6.8 mm (0.27 in)3520 of 100 (Routine)
2021-02-06Yellowtail DamRecord daily precipitation21.3 mm (0.8 in)16.2 mm (0.6 in)3520 of 100 (Routine)
2021-02-06Burgess JunctionRecord daily precipitation22.9 mm (0.9 in)14.3 mm (0.6 in)1020 of 100 (Routine)
2021-02-06Billings Intl APRecord daily precipitation9.4 mm (0.37 in)4.8 mm (0.19 in)6220 of 100 (Routine)
2021-02-07Barker LakesRecord daily precipitation30.5 mm (1.2 in)15.3 mm (0.6 in)2247 of 100 (Notable)
2021-02-07Billings WtpRecord daily precipitation10.2 mm (0.4 in)3.8 mm (0.15 in)6220 of 100 (Routine)
2021-02-07Norris Madison Pwr HouseRecord daily precipitation15.2 mm (0.6 in)8.6 mm (0.34 in)6220 of 100 (Routine)
2021-02-08FairfieldRecord daily precipitation10.7 mm (0.4 in)7.9 mm (0.31 in)320 of 100 (Routine)
2021-02-08StevensvilleRecord daily precipitation21.8 mm (0.9 in)10.9 mm (0.4 in)2520 of 100 (Routine)
2021-02-09Deer Lodge 3 WRecord daily precipitation20.3 mm (0.8 in)13.7 mm (0.5 in)720 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 188 records the event counts. The counts above use the full total.

Related Headlines

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Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.